Aircraft Propulsion Systems comprising aircraft engines, motors for aircraft, electric generators, machine couplings and transmission components not for land vehicles, propellers for machines, and fans for motors and engines
MachineryPowertrains, namely, aircraft powertrain mechanisms comprised of clutches, gearing for aircraft, and drive shafts
VehiclesConsulting in the field of Engineering; Consulting in the field of design, research, and engineering of Aircraft Propulsion and Powertrains
Computer and Scientific